sequencies + series Flashcards
1
Q
where does ncr come from
A
2
Q
solve ncr equations
A
cancel out n! in numerator
multiply by largest n denominator
(n-4)! > (n-6)!
Simplify
3
Q
finding coefficient
A
List out all possible combinations
4
Q
approximating using binomial expansion
A
MAKE SURE IT IS IN RANGE OF VALIDITY
5
Q
Further binomial expansion
A
6
Q
Range of validity
A
7
Q
Limits of recurrence relationships
A
8
Q
- Sigma notation
A
9
Q
Series
A
sum of consecutive terms of a sequence
10
Q
nth term - arithmetic
A
10
Q
proof of arithmetic series
A
11
Q
geometric nth term
A
12
Q
proving geometric series
A
13
Q
proving sum to infinity formula
A
14
Q
Condition for geometric series to be converging
A
